侵略主义
发表于 2025-3-28 18:08:52
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前兆
发表于 2025-3-28 19:35:52
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鄙视
发表于 2025-3-29 02:55:57
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FLEET
发表于 2025-3-29 05:35:37
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BINGE
发表于 2025-3-29 08:15:03
Oxidation Control,No pure refractory (high-melting) metal performs well in high-temperature air. In fact, not even metals melting as low as 1850°C (3360°F) oxidize satisfactorily, with the sole exception of chromium. Table 15-1 gives the melting points of high-melting pure metals and explains the problems they undergo at high temperatures.
assent
发表于 2025-3-29 12:26:38
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不连贯
发表于 2025-3-29 16:09:50
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CLAM
发表于 2025-3-29 23:05:51
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GLUE
发表于 2025-3-30 01:13:27
Corrosion in Major Environments,e environment-metal combinations that will work in most circumstances. Anyone involved in materials selection for corrosive environments should remember the 11 environment-metal combinations in Table 7-1.
阉割
发表于 2025-3-30 06:37:20
Protective Coatings,terms of mechanical and physical properties. Coating metal with good mechanical properties (usually steel) is often more practical in terms of cost and required life than selecting a more corrosion resistant but expensive material.